Home / 10,620.32-15,938.98-6,241.46

Finding the Fourth Proportional to 10,620.32, 15,938.98 and 6,241.46

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Solution

The fourth proportional to 10,620.32, 15,938.98 and 6,241.46 is: 9,367.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.32 : 15,938.98 = 6,241.46 : x
  2. Step 2: Convert to fraction form
    10,620.32/15,938.98 = 6,241.46/x
  3. Step 3: Cross multiply
    10,620.32x = 15,938.98 × 6,241.46
  4. Step 4: Simplify right side
    10,620.32x = 99,482,410.81
  5. Step 5: Solve for x
    x = 99,482,410.81/10,620.32
  6. Step 6: Final answer
    x = 9,367.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.